Fix crash when hitting escape while a slider is focused

src/pc/djui/djui_base.c

@@ -329,6 +329,11 @@ void djui_base_destroy(struct DjuiBase* base) {
         gDjuiHovered = NULL;
     }
 
+    // remove focus
+    if (gInteractableFocus == base) {
+        gInteractableFocus = NULL;
+    }
+
     // remove binding
     if (gInteractableBinding == base) {
         gInteractableBinding = NULL;

src/pc/djui/djui_slider.c

@@ -136,5 +136,7 @@ struct DjuiSlider* djui_slider_create(struct DjuiBase* parent, const char* messa
 
     base->get_cursor_hover_location = djui_slider_get_cursor_hover_location;
 
+    slider->base.interactable->update_style = NULL;
+
     return slider;
 }